1 - 3/2x = 3x + 5/2 移项1-5/2=3/2x+3x化简-3/2=9/2x系数化为1得x=-1/3
你好:1-3/2x-5/2=3x1-5/2-3/2x-3x=0合并,-3/2-9/2x=09/2x加3/2=09/2x=-3/2x=-1/3如果不懂可以追问。祝你学习进步!